summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/usb/samsung,exynos-usb2.yaml
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--Documentation/devicetree/bindings/usb/samsung,exynos-usb2.yaml107
1 files changed, 107 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/samsung,exynos-usb2.yaml b/Documentation/devicetree/bindings/usb/samsung,exynos-usb2.yaml
new file mode 100644
index 000000000..caa572dce
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/samsung,exynos-usb2.yaml
@@ -0,0 +1,107 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/samsung,exynos-usb2.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung Exynos SoC USB 2.0 EHCI/OHCI Controller
+
+maintainers:
+ - Krzysztof Kozlowski <krzk@kernel.org>
+
+properties:
+ compatible:
+ enum:
+ - samsung,exynos4210-ehci
+ - samsung,exynos4210-ohci
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ items:
+ - const: usbhost
+
+ interrupts:
+ maxItems: 1
+
+ phys:
+ minItems: 1
+ maxItems: 3
+
+ phy-names:
+ items:
+ enum: [host, hsic0, hsic1]
+ minItems: 1
+ maxItems: 3
+
+ reg:
+ maxItems: 1
+
+ samsung,vbus-gpio:
+ description:
+ Only for controller in EHCI mode, if present, specifies the GPIO that
+ needs to be pulled up for the bus to be powered.
+
+required:
+ - compatible
+ - clocks
+ - clock-names
+ - interrupts
+ - phys
+ - phy-names
+ - reg
+
+allOf:
+ - $ref: usb-hcd.yaml#
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: samsung,exynos4210-ohci
+ then:
+ properties:
+ samsung,vbus-gpio: false
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/exynos5420.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ usb@12110000 {
+ compatible = "samsung,exynos4210-ehci";
+ reg = <0x12110000 0x100>;
+ interrupts = <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clock CLK_USBH20>;
+ clock-names = "usbhost";
+ phys = <&usb2_phy 0>;
+ phy-names = "host";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ hub@1 {
+ compatible = "usb0424,9514";
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ usbether@1 {
+ compatible = "usb0424,ec00";
+ reg = <1>;
+ local-mac-address = [00 00 00 00 00 00];
+ };
+ };
+ };
+
+ usb@12120000 {
+ compatible = "samsung,exynos4210-ohci";
+ reg = <0x12120000 0x100>;
+ interrupts = <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clock CLK_USBH20>;
+ clock-names = "usbhost";
+ phys = <&usb2_phy 0>;
+ phy-names = "host";
+ };